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National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Parametrické zesilování a vícenásobná generace vlnových délek ve vysoce nelineárním optickém vláknu: Experiment a modelování
 Karásek, Miroslav ; Kaňka, Jiří ; Radil, J. ; Vojtěch, J.
We demonstrate parametric amplification of WDM signals and multiple wavelength conversion with gain based on four-photon parametric mixing in a highly nonlinear fibre (HNLF). Two pumps with a 100 GHz separation located in the region of anomalous dispersion of the HNLF are combined to form a beet signal. A high-power EDFA boosts the beet signal which is then combined with a signal wave by a directional coupler into the HNLF.
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Optické zesilovače v sítích CzechLight a CESNET2
 Karásek, Miroslav ; Radil, J. ; Vojtěch, J.
In this contribution, we present an overview of optical fibre amplifiers used in the CzechLight and CESNET2 research and educational networks. Properties and advantages-disadvantages of EDFA. RFA and SOA are compared.
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